Respuesta :
The shell of an operating system provides a user interface that enable to interact with the operating system.
O provides a user interface that enables users to interact with the OS
Explanation:
Shell is program which is available in nowadays in OS, where it is interface or interacted with operating system to change or edit some configuration of operating system. Shell basically coming from UNIX operating system, at shell prompt in Unix operating system, shell script are created, edit and executed
For c programming execution we use shell command in UNIX operating system. In windows 10 it is renamed as PowerShell nothing but dos prompt with extra addition features. Same features are available in Linux also.